Class HTML

public class HTML
extends Object

Constants used in the HTMLDocument. These are basically tag and attribute definitions.

Nested Classes

Modifier and Type Class Description
static class  HTML.Attribute

Typesafe enumeration representing an HTML attribute.
static class  HTML.Tag

Typesafe enumeration for an HTML tag.
static class  HTML.UnknownTag

Class represents unknown HTML tag.

Fields

Modifier and Type Field Description
static String NULL_ATTRIBUTE_VALUE

NULL_ATTRIBUTE_VALUE used in cases where the value for the attribute has not been specified.

Constructors

Constructor Description
HTML()

Methods

Modifier and Type Method Description
static HTML.Attribute[] getAllAttributeKeys()

Returns the set of HTML attributes recognized.
static HTML.Tag[] getAllTags()

Returns the set of actual HTML tags that are recognized by the default HTML reader.
static HTML.Attribute getAttributeKey​(String attName)

Fetches an attribute constant for a well-known attribute name (i.e. one of the attributes in the set {FACE, COMMENT, SIZE, COLOR, CLEAR, BACKGROUND, BGCOLOR, TEXT, LINK, VLINK, ALINK, WIDTH, HEIGHT, ALIGN, NAME, HREF, REL, REV, TITLE, TARGET, SHAPE, COORDS, ISMAP, NOHREF, ALT, ID, SRC, HSPACE, VSPACE, USEMAP, LOWSRC, CODEBASE, CODE, ARCHIVE, VALUE, VALUETYPE, TYPE, CLASS, STYLE, LANG, DIR, DECLARE, CLASSID, DATA, CODETYPE, STANDBY, BORDER, SHAPES, NOSHADE, COMPACT, START, ACTION, METHOD, ENCTYPE, CHECKED, MAXLENGTH, MULTIPLE, SELECTED, ROWS, COLS, DUMMY, CELLSPACING, CELLPADDING, VALIGN, HALIGN, NOWRAP, ROWSPAN, COLSPAN, PROMPT, HTTPEQUIV, CONTENT, LANGUAGE, VERSION, N, FRAMEBORDER, MARGINWIDTH, MARGINHEIGHT, SCROLLING, NORESIZE, MEDIA, ENDTAG}).
static int getIntegerAttributeValue​(AttributeSet attr, HTML.Attribute key, int def)

Fetches an integer attribute value.
static HTML.Tag getTag​(String tagName)

Fetches a tag constant for a well-known tag name (i.e. one of the tags in the set {A, ADDRESS, APPLET, AREA, B, BASE, BASEFONT, BIG, BLOCKQUOTE, BODY, BR, CAPTION, CENTER, CITE, CODE, DD, DFN, DIR, DIV, DL, DT, EM, FONT, FORM, FRAME, FRAMESET, H1, H2, H3, H4, H5, H6, HEAD, HR, HTML, I, IMG, INPUT, ISINDEX, KBD, LI, LINK, MAP, MENU, META, NOBR, NOFRAMES, OBJECT, OL, OPTION, P, PARAM, PRE, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, S, STRONG, STYLE, SUB, SUP, TABLE, TD, TEXTAREA, TH, TITLE, TR, TT, U, UL, VAR}.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Fields

NULL_ATTRIBUTE_VALUE

public static final String NULL_ATTRIBUTE_VALUE

NULL_ATTRIBUTE_VALUE used in cases where the value for the attribute has not been specified.

See Also:
Constant Field Values

Constructors

HTML

public HTML()

Methods

getAllTags

public static HTML.Tag[] getAllTags()

Returns the set of actual HTML tags that are recognized by the default HTML reader. This set does not include tags that are manufactured by the reader.

Returns:
the set of actual HTML tags that are recognized by the default HTML reader

getTag

public static HTML.Tag getTag(String tagName)

Fetches a tag constant for a well-known tag name (i.e. one of the tags in the set {A, ADDRESS, APPLET, AREA, B, BASE, BASEFONT, BIG, BLOCKQUOTE, BODY, BR, CAPTION, CENTER, CITE, CODE, DD, DFN, DIR, DIV, DL, DT, EM, FONT, FORM, FRAME, FRAMESET, H1, H2, H3, H4, H5, H6, HEAD, HR, HTML, I, IMG, INPUT, ISINDEX, KBD, LI, LINK, MAP, MENU, META, NOBR, NOFRAMES, OBJECT, OL, OPTION, P, PARAM, PRE, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, S, STRONG, STYLE, SUB, SUP, TABLE, TD, TEXTAREA, TH, TITLE, TR, TT, U, UL, VAR}. If the given name does not represent one of the well-known tags, then null will be returned.

Parameters:
tagName - the String name requested
Returns:
a tag constant corresponding to the tagName, or null if not found

getIntegerAttributeValue

public static int getIntegerAttributeValue(AttributeSet attr,
                                           HTML.Attribute key,
                                           int def)

Fetches an integer attribute value. Attribute values are stored as a string, and this is a convenience method to convert to an actual integer.

Parameters:
attr - the set of attributes to use to try to fetch a value
key - the key to use to fetch the value
def - the default value to use if the attribute isn't defined or there is an error converting to an integer
Returns:
an attribute value

getAllAttributeKeys

public static HTML.Attribute[] getAllAttributeKeys()

Returns the set of HTML attributes recognized.

Returns:
the set of HTML attributes recognized

getAttributeKey

public static HTML.Attribute getAttributeKey(String attName)

Fetches an attribute constant for a well-known attribute name (i.e. one of the attributes in the set {FACE, COMMENT, SIZE, COLOR, CLEAR, BACKGROUND, BGCOLOR, TEXT, LINK, VLINK, ALINK, WIDTH, HEIGHT, ALIGN, NAME, HREF, REL, REV, TITLE, TARGET, SHAPE, COORDS, ISMAP, NOHREF, ALT, ID, SRC, HSPACE, VSPACE, USEMAP, LOWSRC, CODEBASE, CODE, ARCHIVE, VALUE, VALUETYPE, TYPE, CLASS, STYLE, LANG, DIR, DECLARE, CLASSID, DATA, CODETYPE, STANDBY, BORDER, SHAPES, NOSHADE, COMPACT, START, ACTION, METHOD, ENCTYPE, CHECKED, MAXLENGTH, MULTIPLE, SELECTED, ROWS, COLS, DUMMY, CELLSPACING, CELLPADDING, VALIGN, HALIGN, NOWRAP, ROWSPAN, COLSPAN, PROMPT, HTTPEQUIV, CONTENT, LANGUAGE, VERSION, N, FRAMEBORDER, MARGINWIDTH, MARGINHEIGHT, SCROLLING, NORESIZE, MEDIA, ENDTAG}). If the given name does not represent one of the well-known attributes, then null will be returned.

Parameters:
attName - the String requested
Returns:
the Attribute corresponding to attName